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Patents for Lothrop, Mead & Co.
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
73,415Jan. 14, 1868H.O. LothropImprovement in steam-engines cut-offssteam engine governors
75,034Mar. 03, 1868H.O. LothropImprovement in steam-engines cut-offssteam engine governors
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